Buick 2004 Century - Manual (Page 111)

The cruise control will automatically disengage when the
enhanced traction system begins to limit wheel spin.
See Enhanced Traction System (ETS) on page 4-9.
When road conditions allow, the cruise control can be
used again.
Setting Cruise Control
{ CAUTION:
If you leave your cruise control on when you
are not using cruise, you might hit a button
and go into cruise when you do not want to.
You could be startled and even lose control.
Keep the cruise control switch off until you
want to use cruise control.
1. Move the cruise control switch to ON.
2. Accelerate to the speed you want.
3. Push in the SET button at the end of the lever and
release it. The CRUISE light on the instrument
panel cluster will come on.
4. Take your foot off the accelerator pedal.
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